BZT52-C13X Equivalent & Substitute Parts

Part Overview

The BZT52-C13X is an automotive-grade Zener diode manufactured by Nexperia USA Inc., designed for voltage regulation and protection applications in surface mount configurations. This component operates at a nominal Zener voltage of 13.25 V with a maximum power dissipation of 350 mW in the SOD-123 package. The part maintains Active product status and carries AEC-Q101 automotive qualification, making it suitable for demanding automotive and industrial applications. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to inventory constraints, supply chain considerations, or design flexibility needs.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	13.25	V
Tolerance	±6.4	%
Power - Max	350	mW
Impedance (Max)	10	Ohms
Current - Reverse Leakage @ Vr	100	nA @ 8 V
Voltage - Forward (Vf) (Max) @ If	900	mV @ 10 mA
Operating Temperature Range	-55 to 150	°C
Package / Case	SOD-123
Mounting Type	Surface Mount
Grade	Automotive
Qualification	AEC-Q101

Substitute Part Grouping Explanation

Substitution of the BZT52-C13X is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part BZT52-C13J qualifies as a direct equivalent based on the following criteria:

Electrical Parameter Equivalence:

Nominal Zener voltage: 13.25 V (identical)
Voltage tolerance: ±6.4% (identical)
Maximum power dissipation: 350 mW (identical)
Maximum impedance: 10 Ohms (identical)
Reverse leakage current: 100 nA @ 8 V (identical)
Forward voltage: 900 mV @ 10 mA (identical)
Operating temperature range: -55°C to 150°C (identical)

Mechanical & Compliance Equivalence:

Package type: SOD-123 (identical)
Mounting configuration: Surface Mount (identical)
Manufacturer: Nexperia USA Inc. (identical)
Automotive grade classification (identical)
AEC-Q101 qualification (identical)
RoHS3 compliance (identical)
Moisture Sensitivity Level 1 (identical)

Parameter Comparison

Parameter	BZT52-C13X	BZT52-C13J	Match
Voltage - Zener (Nom)	13.25 V	13.25 V	Yes
Tolerance	±6.4%	±6.4%	Yes
Power - Max	350 mW	350 mW	Yes
Impedance (Max)	10 Ohms	10 Ohms	Yes
Current - Reverse Leakage @ Vr	100 nA @ 8 V	100 nA @ 8 V	Yes
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	Yes
Operating Temperature Range	-55°C to 150°C	-55°C to 150°C	Yes
Package / Case	SOD-123	SOD-123	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
Grade	Automotive	Automotive	Yes
Qualification	AEC-Q101	AEC-Q101	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Yes

Engineering Selection Recommendations

The BZT52-C13J serves as a direct parametric equivalent to the BZT52-C13X for all applications requiring a 13.25 V Zener diode in automotive-grade surface mount configurations. Both parts carry identical electrical specifications, mechanical packaging, and regulatory compliance certifications. Selection between these two part numbers is based on availability and supply chain requirements rather than functional or performance differences.

Both parts maintain Active product status and satisfy AEC-Q101 automotive qualification requirements, ensuring suitability for automotive and industrial applications operating across the -55°C to 150°C temperature range. The SOD-123 surface mount package enables direct PCB integration without design modification. RoHS3 compliance and REACH unaffected status confirm environmental and regulatory alignment for current manufacturing standards.

Frequently Asked Questions (FAQ)

Q: Can BZT52-C13J be used as a direct replacement for BZT52-C13X in existing designs?

A: Yes. The BZT52-C13J is a parametric equivalent with identical electrical characteristics, voltage rating, power dissipation, impedance, leakage current, and forward voltage specifications. Both parts use the SOD-123 surface mount package and carry AEC-Q101 automotive qualification. No design modification is required.

Q: Are there differences in the SOD-123 package between these two parts?

A: No. Both the BZT52-C13X and BZT52-C13J use the SOD-123 package with identical mechanical dimensions and surface mount configuration. PCB footprints and assembly processes remain unchanged.

Q: Do both parts meet automotive qualification standards?

A: Yes. Both the BZT52-C13X and BZT52-C13J carry AEC-Q101 automotive qualification and Automotive grade classification, confirming compliance with automotive industry reliability and performance standards.

Q: What is the difference between the BZT52-C13X and BZT52-C13J part numbers?

A: The part numbers differ only in the suffix designation (X versus J). All electrical parameters, mechanical specifications, and compliance certifications are identical. The suffix variation reflects internal Nexperia manufacturing or packaging designations without functional impact.

Q: Are both parts RoHS compliant?

A: Yes. Both the BZT52-C13X and BZT52-C13J are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.

Q: What is the operating temperature range for these Zener diodes?

A: Both parts operate across the -55°C to 150°C temperature range, maintaining specified electrical characteristics throughout this extended industrial and automotive temperature envelope.

Q: Can these parts be used interchangeably in high-reliability applications?

A: Yes. Both parts carry identical AEC-Q101 qualification and Automotive grade designation, confirming suitability for high-reliability automotive and industrial applications. Electrical and mechanical equivalence ensures interchangeable performance.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message